View Compilation Error

0_0_23439667_22740\Main.java:1: 错误: 非法字符: '#'
#include<iostream>
^
0_0_23439667_22740\Main.java:1: 错误: 需要class, interface或enum
#include<iostream>
        ^
0_0_23439667_22740\Main.java:3: 错误: 需要class, interface或enum
int main()
^
0_0_23439667_22740\Main.java:6: 错误: 需要class, interface或enum
	while (cin >> n)
	^
0_0_23439667_22740\Main.java:8: 错误: 需要class, interface或enum
	return 0;
	^
0_0_23439667_22740\Main.java:9: 错误: 需要class, interface或enum
}
^
6 个错误